package com.tanhua.server.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.tanhua.common.pojo.User;
import com.tanhua.common.pojo.UserInfo;
import com.tanhua.common.utils.UserThreadLocal;
import com.tanhua.dubbo.server.pojo.RecommendUser;
import com.tanhua.dubbo.server.vo.PageInfo;
import com.tanhua.server.vo.PageResult;
import com.tanhua.server.vo.RecommendUserQueryParam;
import com.tanhua.server.vo.TodayBest;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.*;

@Service
public class TodayBestService {

    @Autowired
    private UserService userService;

    @Autowired
    private RecommendUserService recommendUserService;

    @Value("${tanhua.sso.default.user}")
    private Long defaultUser;

    @Autowired
    private UserInfoService userInfoService;

    public TodayBest queryTodayBest() {
        //直接从UserThreadLocal中获取对象
        User user = UserThreadLocal.get();
        //查询推荐用户（今日佳人）
        TodayBest todayBest = this.recommendUserService.queryTodayBest(user.getId());
        if(null == todayBest){
            todayBest = new TodayBest();
            todayBest.setId(defaultUser);
            todayBest.setFateValue(80L);//固定值
        }

        //补全个人信息
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(todayBest.getId());
        if(userInfo == null){
            return null;
        }
        todayBest.setAvatar(userInfo.getLogo());
        todayBest.setNickname(userInfo.getNickName());
        todayBest.setTags(StringUtils.split(userInfo.getTags(),","));
        todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man":"woman");
        todayBest.setAge(userInfo.getAge());

        return todayBest;
    }

    public PageResult queryRecommendation(RecommendUserQueryParam queryParam) {
        //直接从UserThreadLocal中获取对象
        User user = UserThreadLocal.get();

        PageResult pageResult = new PageResult();
        pageResult.setPage(queryParam.getPage());
        pageResult.setPagesize(queryParam.getPagesize());


        PageInfo<RecommendUser> pageInfo = this.recommendUserService.queryRecommendUserList(user.getId(), queryParam.getPage(), queryParam.getPagesize());
        List<RecommendUser> records = pageInfo.getRecords();
        if (CollectionUtils.isEmpty(records)){
            //没有查询到推荐的用户列表
            return pageResult;
        }
        //填充个人信息

        //收集推荐用户的id
        Set<Long> userIds = new HashSet<>();
        for (RecommendUser record : records) {
            userIds.add(record.getUserId());
        }

        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();

        //用户id参数
        queryWrapper.in("user_id",userIds);

        if(StringUtils.isNotEmpty(queryParam.getGender())){
            //需要性别参数查询
            //queryWrapper.eq("sex",StringUtils.equals(queryParam.getGender(),"man")? 1 : 2);
        }

        if(StringUtils.isNotEmpty(queryParam.getCity())){
            //queryWrapper.like("city",queryParam.getCity());
        }

        if (queryParam.getAge() != null){
           // queryWrapper.lt("age",queryParam.getAge());
        }

        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);

        if(CollectionUtils.isEmpty(userInfoList)){
            //没有查询到用户的基本信息
            return pageResult;
        }

        List<TodayBest> todayBests = new ArrayList<>();
        for (UserInfo userInfo : userInfoList) {
            TodayBest todayBest = new TodayBest();

            todayBest.setId(userInfo.getUserId());
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setTags(StringUtils.split(userInfo.getTags(),","));
            todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man":"woman");
            todayBest.setAge(userInfo.getAge());

            for (RecommendUser record : records) {
                if(record.getUserId().longValue() == userInfo.getUserId().longValue()){
                    //缘分值
                    double score = Math.floor(record.getScore());//取整,98.2 -> 98
                    todayBest.setFateValue(Double.valueOf(score).longValue());
                    break;
                }

            }

            todayBests.add(todayBest);
        }

        //按照缘分值进行倒序排序
        Collections.sort(todayBests, (o1, o2) -> new Long(o2.getFateValue() - o1.getFateValue()).intValue());

        pageResult.setItems(todayBests);

        return pageResult;
    }
}
